@article{BommaritoII2009PropertiesOfTheUnitedStates,
  author = {Bommarito II, M. J. and Katz, D. M.},
  title = {Properties of the United States Code citation network},
  journal = {arXiv preprint},
  year = {2009},
  url = {https://arxiv.org/abs/0911.1751}
}